Veritas et Aéquitas is latin for 'truth and justice'. Veritas is tattooed on the hand of Connor MacManus and Aéquitas is tattooed on the hand of Murphy MacManus.
In Greek:
Veritas was the goddess of truth and was a daughter of Saturn. In Greece, Veritas was known by the name of Alatheia. She was attributed to the virtue of truthfulness.
Aéquitas comes from the ancient Greek culture. It means justice. This is coupled with the fact that to deal out justice, the facts of the situation must be known.
Title is misspelled!